chore(deps): bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
         run: go test -race -count=1 -failfast -shuffle=on -coverprofile=${{ matrix.os }}-profile -covermode=atomic -coverpkg=./... ./... 
 
       - name: upload cover profile artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.os }}-profile
           path: ${{ matrix.os }}-profile
@@ -75,7 +75,7 @@ jobs:
           diff-base-breakdown-file-name: ${{ steps.download-main-breakdown.outputs.found_artifact == 'true' && 'main.breakdown' || '' }}
 
       - name: upload artifact (main.breakdown)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: github.ref_name == 'main'
         with:
           name: main.breakdown